Abstract
We develop a rigorous theory of non-local Poisson structures, built on the notion of a non-local Poisson vertex algebra. As an application, we find conditions that guarantee applicability of the Lenard–Magri scheme of integrability to a pair of compatible non-local Poisson structures. We apply this scheme to several such pairs, proving thereby integrability of various evolution equations, as well as hyperbolic equations.
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Communicated by: Yasuyuki Kawahigashi
Dedicated to Minoru Wakimoto on his 70th birthday
The first author is supported in part by Department of Mathematics, MIT.
The second author is supported in part by an NSF grant, and the Simons Fellowship.
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De Sole, A., Kac, V.G. Non-local Poisson structures and applications to the theory of integrable systems. Jpn. J. Math. 8, 233–347 (2013). https://doi.org/10.1007/s11537-013-1306-z
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DOI: https://doi.org/10.1007/s11537-013-1306-z
Keywords and phrases
- non-local Poisson vertex algebra
- non-local Poisson structure
- rational matrix pseudo-differential operators
- Lenard–Magri scheme of integrability
- bi-Hamiltonian integrable hierarchies